Example usage for com.amazonaws.services.sqs.model AmazonSQSException getErrorCode

Introduction

In this page you can find the example usage for com.amazonaws.services.sqs.model AmazonSQSException getErrorCode.

Prototype

public String getErrorCode() 

Source Link

Document

Returns the AWS error code represented by this exception.

Usage

From source file:aws.example.sqs.DeadLetterQueues.java

License:Open Source License

public static void main(String[] args) {
    if (args.length != 2) {
        System.out.println("Usage: DeadLetterQueues <src_queue_name> <dl_queue_name>");
        System.exit(1);//from   w  ww  .jav a 2  s  .c om
    }

    String src_queue_name = args[0];
    String dl_queue_name = args[1];

    final AmazonSQS sqs = AmazonSQSClientBuilder.defaultClient();

    // Create source queue
    try {
        sqs.createQueue(src_queue_name);
    } catch (AmazonSQSException e) {
        if (!e.getErrorCode().equals("QueueAlreadyExists")) {
            throw e;
        }
    }

    // Create dead-letter queue
    try {
        sqs.createQueue(dl_queue_name);
    } catch (AmazonSQSException e) {
        if (!e.getErrorCode().equals("QueueAlreadyExists")) {
            throw e;
        }
    }

    // Get dead-letter queue ARN
    String dl_queue_url = sqs.getQueueUrl(dl_queue_name).getQueueUrl();

    GetQueueAttributesResult queue_attrs = sqs
            .getQueueAttributes(new GetQueueAttributesRequest(dl_queue_url).withAttributeNames("QueueArn"));

    String dl_queue_arn = queue_attrs.getAttributes().get("QueueArn");

    // Set dead letter queue with redrive policy on source queue.
    String src_queue_url = sqs.getQueueUrl(src_queue_name).getQueueUrl();

    SetQueueAttributesRequest request = new SetQueueAttributesRequest().withQueueUrl(src_queue_url)
            .addAttributesEntry("RedrivePolicy",
                    "{\"maxReceiveCount\":\"5\", \"deadLetterTargetArn\":\"" + dl_queue_arn + "\"}");

    sqs.setQueueAttributes(request);
}

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From source file:aws.example.sqs.LongPolling.java

License:Open Source License

public static void main(String[] args) {
    final String USAGE = "To run this example, supply the name of a queue to create and\n"
            + "queue url of an existing queue.\n\n"
            + "Ex: LongPolling <unique-queue-name> <existing-queue-url>\n";

    if (args.length != 2) {
        System.out.println(USAGE);
        System.exit(1);/*from w w w .  j a  v a 2  s  . c om*/
    }

    String queue_name = args[0];
    String queue_url = args[1];

    final AmazonSQS sqs = AmazonSQSClientBuilder.defaultClient();

    // Enable long polling when creating a queue
    CreateQueueRequest create_request = new CreateQueueRequest().withQueueName(queue_name)
            .addAttributesEntry("ReceiveMessageWaitTimeSeconds", "20");

    try {
        sqs.createQueue(create_request);
    } catch (AmazonSQSException e) {
        if (!e.getErrorCode().equals("QueueAlreadyExists")) {
            throw e;
        }
    }

    // Enable long polling on an existing queue
    SetQueueAttributesRequest set_attrs_request = new SetQueueAttributesRequest().withQueueUrl(queue_url)
            .addAttributesEntry("ReceiveMessageWaitTimeSeconds", "20");
    sqs.setQueueAttributes(set_attrs_request);

    // Enable long polling on a message receipt
    ReceiveMessageRequest receive_request = new ReceiveMessageRequest().withQueueUrl(queue_url)
            .withWaitTimeSeconds(20);
    sqs.receiveMessage(receive_request);
}

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From source file:aws.example.sqs.SendReceiveMessages.java

License:Open Source License

public static void main(String[] args) {
    final AmazonSQS sqs = AmazonSQSClientBuilder.defaultClient();

    try {/*from  www  . ja  v  a  2  s . co m*/
        CreateQueueResult create_result = sqs.createQueue(QUEUE_NAME);
    } catch (AmazonSQSException e) {
        if (!e.getErrorCode().equals("QueueAlreadyExists")) {
            throw e;
        }
    }

    String queueUrl = sqs.getQueueUrl(QUEUE_NAME).getQueueUrl();

    SendMessageRequest send_msg_request = new SendMessageRequest().withQueueUrl(queueUrl)
            .withMessageBody("hello world").withDelaySeconds(5);
    sqs.sendMessage(send_msg_request);

    // Send multiple messages to the queue
    SendMessageBatchRequest send_batch_request = new SendMessageBatchRequest().withQueueUrl(queueUrl)
            .withEntries(new SendMessageBatchRequestEntry("msg_1", "Hello from message 1"),
                    new SendMessageBatchRequestEntry("msg_2", "Hello from message 2").withDelaySeconds(10));
    sqs.sendMessageBatch(send_batch_request);

    // receive messages from the queue
    List<Message> messages = sqs.receiveMessage(queueUrl).getMessages();

    // delete messages from the queue
    for (Message m : messages) {
        sqs.deleteMessage(queueUrl, m.getReceiptHandle());
    }
}

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From source file:aws.example.sqs.UsingQueues.java

License:Open Source License

public static void main(String[] args) {
    AmazonSQS sqs = AmazonSQSClientBuilder.defaultClient();

    // Creating a Queue
    CreateQueueRequest create_request = new CreateQueueRequest(QUEUE_NAME)
            .addAttributesEntry("DelaySeconds", "60").addAttributesEntry("MessageRetentionPeriod", "86400");

    try {//ww w  . ja va  2s.  co  m
        sqs.createQueue(create_request);
    } catch (AmazonSQSException e) {
        if (!e.getErrorCode().equals("QueueAlreadyExists")) {
            throw e;
        }
    }

    // Get the URL for a queue
    String queue_url = sqs.getQueueUrl(QUEUE_NAME).getQueueUrl();

    // Delete the Queue
    sqs.deleteQueue(queue_url);

    sqs.createQueue("Queue1" + new Date().getTime());
    sqs.createQueue("Queue2" + new Date().getTime());
    sqs.createQueue("MyQueue" + new Date().getTime());

    // List your queues
    ListQueuesResult lq_result = sqs.listQueues();
    System.out.println("Your SQS Queue URLs:");
    for (String url : lq_result.getQueueUrls()) {
        System.out.println(url);
    }

    // List queues with filters
    String name_prefix = "Queue";
    lq_result = sqs.listQueues(new ListQueuesRequest(name_prefix));
    System.out.println("Queue URLs with prefix: " + name_prefix);
    for (String url : lq_result.getQueueUrls()) {
        System.out.println(url);
    }
}

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From source file:aws.example.sqs.VisibilityTimeout.java

License:Open Source License

public static void main(String[] args) {
    final String queue_name = "testQueue" + new Date().getTime();
    AmazonSQS sqs = AmazonSQSClientBuilder.defaultClient();

    // first, create a queue (unless it exists already)
    try {/*w ww  .  j a  va  2 s . co m*/
        CreateQueueResult cq_result = sqs.createQueue(queue_name);
    } catch (AmazonSQSException e) {
        if (!e.getErrorCode().equals("QueueAlreadyExists")) {
            throw e;
        }
    }

    final String queue_url = sqs.getQueueUrl(queue_name).getQueueUrl();

    // Send some messages to the queue
    for (int i = 0; i < 20; i++) {
        sqs.sendMessage(queue_url, "This is message " + i);
    }

    // change visibility timeout (single)
    changeMessageVisibilitySingle(queue_url, 3600);

    // change visibility timeout (multiple)
    changeMessageVisibilityMultiple(queue_url, 2000);
}

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